HGST Z5K500 500GB, Travelstar. Hard drive capacity: 500 GB, Hard drive interface: Serial ATA III, Hard drive speed: 5400 RPM. Power consumption (standby): 0.2 W, Power consumption (read): 1.6 W, Power consumption (write): 1.6 W. Width: 2.76" (70 mm), Height: 0.276" (7 mm), Depth: 3.94" (100 mm). Data transfer rate: 3 Gbit/s, Number of products included: 1 pcs